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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the router interacts with?
Which of the terms below best describes the electromagnetic noise induced from cables in close proximity to each other
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
Providing power to remote sites in a SCADA system has several difficulties associated with it. Which of the answers below would be best defined as one that is the most cost-effective?
In relation to IPv4, every classification has a finite amount of addresses. Which of the classifications below has the most subnet addresses?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with discrete data where more information is needed?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the ESD system?
There are three parameters that need to be configured when manually addressing in IPv4. Which of the answers below represents the parameters that are required?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links several smaller area networks together over a wide geographical area.
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
A HMI requires secure access to it's configuration database. Which of the terms below is best described as engineering level software package?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that maps the data from up to 16 field devices that it supports?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the hub interacts with?
The HMI in a SCADA system uses typical hardware and software. Which of the environments below would the HMI reside?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
There are several stages in the alarm lifecycle. Which of these stages matches specific DCSs to the specified alarm arrangement?
Which of the terms below can be best described as supplies the individual devices with data and power from the trunk line in an H1 transmission system?
Which of the answers below has the correct amount and kind of parameters of an Foundation field bus AI block?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
IPv4 and IPv6 are the two current versions of IP. Which of the answers below is the defining difference between the two protocols?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control of an employees access level in the system?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would allow power lines to carry stable low-speed communication?
Ethernet has two common messaging types that are controller-to-controller defined in the application layer. Which of those messaging types can be described as only using multicast and peer-to-peer communication?